Hash-o-Matic not listed in Discover/flathub

I was looking for an easy right-click-GUI has option, and came across Hash-o-Matic, which looked like a great fit. However, despite being present on the website, it doesn’t install via the handy click-install button, Discover fails with:

Could not open appstream://org.kde.hashomatic because it was not found in any available software repositories.

apt hasn’t heard of it, either. I’m just using bookworm (main non-free-firmware contrib), nothing odd. and the only flatpak remote I have is flathub. Searching directly through flatpak doesn’t yield any results, either.

Oddly, it’s present in the nightly flatpak builds, although I don’t actually know if that means anything.

I don’t need this program, but I’d really like to use it! Any suggestions?

Compile it from source, first link, use alien to convert the rpm from fedora to a .deb to install or lastly just extract the files in the .rpm and put them into a /home/username/bin directory for the binary and the .desktop file(s) in the their directories. I just tried the fc42 in my home bin directory but it will not load as it is built on qt6.8 and the Debian based install I am on is at 6.7.2 I think it is and doubtful it will ever get to the 6.8 before they release Trixie. As they are slow as molasses in winter running up hill getting things done with their QT packaging, Gnome it just flies out the door. Now I check the version 40 it appears to be built with the qt6 as well, so you are left with building from source. Or now I think about it I use the last link a service menu to check the hashes of files. It does not have fancy GUI just a popup telling you the actual hash it calculated for the file you selected and used with it.

zeus@9600k:~/bin$ ./hashomatic 
./hashomatic: /lib/x86_64-linux-gnu/libQt6Core.so.6: version `Qt_6.8' not found (required by ./hashomatic)

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Hash-o-matic seems to be far too new to be in Debian’s repositories yet.

It also may be so new that “nightly” build on flathub may be the only source that the app’s devs have created there at the moment. Nightly can be a bit of a misnomer. Usually a new build happnes when there has been a change, and the last seems to have been abut two weeks ago.

I’d say give the nightly a whirl if nothing else than to take a look at it to see if you like it over some of the available Dolphin context menus, or just using the checksum tab in the file’s properties.

I have it here on KDE neon, and I assume other distros that keep much more current software builds will have it as well.

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You could add that specific flatpakrepo like you did with flathub, i.e.

flatpak remote-add hash-o-matic-nightly https://cdn.kde.org/flatpak/hash-o-matic-nightly/hash-o-matic-nightly.flatpakrepo

(or add the source under Discover’s Settings)

then you would be able to install that version from Discover (and get further updates until it reaches flathub).